Question: which is the {point in time} for {Liechtenstein} that has {population} as {36388.0} ?
Paraphrase: what is the {point in time} for {Liechtenstein} that has {population} as {36388.0}
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q347 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '36388.0')) . ?s pq:P585 ?value}